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Energiesparen
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Continuous Belt Mucking Technology of China Railway Tunnel Construction
Study on Drifting Drilling Assembly and Casing String’s Stiffness Ratio
New developments in the field of continuous-flow open-cast mining equipment
Gewinnung von Vorräten in bereits abgebauten Lagerstätten
Energieaufwand beim Automobiltransport in tiefen Tagebauen